1 | /*! |
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2 | \file ep_scan.cpp |
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3 | \since 2 may 2016 |
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4 | |
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5 | \brief Definitions of MPI collective function: MPI_Exscan |
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6 | */ |
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7 | |
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8 | #include "ep_lib.hpp" |
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9 | #include <mpi.h> |
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10 | #include "ep_declaration.hpp" |
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11 | |
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12 | using namespace std; |
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13 | |
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14 | namespace ep_lib |
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15 | { |
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16 | template<typename T> |
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17 | T max_op(T a, T b) |
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18 | { |
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19 | return max(a,b); |
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20 | } |
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21 | |
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22 | template<typename T> |
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23 | T min_op(T a, T b) |
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24 | { |
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25 | return min(a,b); |
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26 | } |
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27 | |
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28 | int MPI_Exscan_local(const void *sendbuf, void *recvbuf, int count, MPI_Datatype datatype, MPI_Op op, MPI_Comm comm) |
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29 | { |
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30 | if(datatype == MPI_INT) |
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31 | { |
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32 | return MPI_Exscan_local_int(sendbuf, recvbuf, count, op, comm); |
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33 | } |
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34 | else if(datatype == MPI_FLOAT) |
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35 | { |
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36 | return MPI_Exscan_local_float(sendbuf, recvbuf, count, op, comm); |
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37 | } |
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38 | else if(datatype == MPI_DOUBLE) |
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39 | { |
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40 | return MPI_Exscan_local_double(sendbuf, recvbuf, count, op, comm); |
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41 | } |
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42 | else if(datatype == MPI_LONG) |
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43 | { |
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44 | return MPI_Exscan_local_long(sendbuf, recvbuf, count, op, comm); |
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45 | } |
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46 | else if(datatype == MPI_UNSIGNED_LONG) |
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47 | { |
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48 | return MPI_Exscan_local_ulong(sendbuf, recvbuf, count, op, comm); |
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49 | } |
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50 | else if(datatype == MPI_CHAR) |
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51 | { |
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52 | return MPI_Exscan_local_char(sendbuf, recvbuf, count, op, comm); |
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53 | } |
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54 | else |
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55 | { |
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56 | printf("MPI_Exscan Datatype not supported!\n"); |
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57 | exit(0); |
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58 | } |
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59 | } |
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60 | |
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61 | |
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62 | |
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63 | |
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64 | int MPI_Exscan_local_int(const void *sendbuf, void *recvbuf, int count, MPI_Op op, MPI_Comm comm) |
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65 | { |
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66 | int my_rank = comm.ep_comm_ptr->size_rank_info[1].first; |
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67 | int num_ep = comm.ep_comm_ptr->size_rank_info[1].second; |
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68 | |
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69 | int *buffer = comm.ep_comm_ptr->comm_list->my_buffer->buf_int; |
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70 | int *send_buf = static_cast<int*>(const_cast<void*>(sendbuf)); |
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71 | int *recv_buf = static_cast<int*>(recvbuf); |
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72 | |
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73 | for(int j=0; j<count; j+=BUFFER_SIZE) |
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74 | { |
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75 | |
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76 | if(my_rank == 0) |
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77 | { |
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78 | |
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79 | #pragma omp critical (write_to_buffer) |
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80 | { |
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81 | copy(send_buf+j, send_buf+j+min(BUFFER_SIZE, count-j), buffer); |
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82 | fill(recv_buf+j, recv_buf+j+min(BUFFER_SIZE, count-j), MPI_UNDEFINED); |
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83 | #pragma omp flush |
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84 | } |
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85 | } |
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86 | |
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87 | MPI_Barrier_local(comm); |
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88 | |
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89 | for(int k=1; k<num_ep; k++) |
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90 | { |
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91 | #pragma omp critical (write_to_buffer) |
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92 | { |
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93 | if(my_rank == k) |
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94 | { |
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95 | #pragma omp flush |
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96 | if(op == MPI_SUM) |
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97 | { |
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98 | copy(buffer, buffer+min(BUFFER_SIZE, count-j), recv_buf+j); |
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99 | transform(buffer, buffer+min(BUFFER_SIZE, count-j), send_buf+j, buffer, std::plus<int>()); |
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100 | |
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101 | } |
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102 | else if(op == MPI_MAX) |
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103 | { |
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104 | copy(buffer, buffer+min(BUFFER_SIZE, count-j), recv_buf+j); |
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105 | transform(buffer, buffer+min(BUFFER_SIZE, count-j), send_buf+j, buffer, max_op<int>); |
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106 | } |
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107 | else if(op == MPI_MIN) |
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108 | { |
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109 | copy(buffer, buffer+min(BUFFER_SIZE, count-j), recv_buf+j); |
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110 | transform(buffer, buffer+min(BUFFER_SIZE, count-j), send_buf+j, buffer, min_op<int>); |
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111 | } |
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112 | else |
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113 | { |
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114 | printf("Supported operation: MPI_SUM, MPI_MAX, MPI_MIN\n"); |
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115 | exit(1); |
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116 | } |
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117 | #pragma omp flush |
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118 | } |
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119 | } |
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120 | |
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121 | MPI_Barrier_local(comm); |
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122 | } |
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123 | } |
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124 | |
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125 | } |
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126 | |
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127 | int MPI_Exscan_local_float(const void *sendbuf, void *recvbuf, int count, MPI_Op op, MPI_Comm comm) |
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128 | { |
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129 | int my_rank = comm.ep_comm_ptr->size_rank_info[1].first; |
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130 | int num_ep = comm.ep_comm_ptr->size_rank_info[1].second; |
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131 | |
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132 | float *buffer = comm.ep_comm_ptr->comm_list->my_buffer->buf_float; |
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133 | float *send_buf = static_cast<float*>(const_cast<void*>(sendbuf)); |
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134 | float *recv_buf = static_cast<float*>(recvbuf); |
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135 | |
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136 | for(int j=0; j<count; j+=BUFFER_SIZE) |
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137 | { |
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138 | if(my_rank == 0) |
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139 | { |
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140 | |
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141 | #pragma omp critical (write_to_buffer) |
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142 | { |
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143 | copy(send_buf+j, send_buf+j+min(BUFFER_SIZE, count-j), buffer); |
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144 | fill(recv_buf+j, recv_buf+j+min(BUFFER_SIZE, count-j), MPI_UNDEFINED); |
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145 | #pragma omp flush |
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146 | } |
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147 | } |
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148 | |
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149 | MPI_Barrier_local(comm); |
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150 | |
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151 | for(int k=1; k<num_ep; k++) |
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152 | { |
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153 | #pragma omp critical (write_to_buffer) |
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154 | { |
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155 | if(my_rank == k) |
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156 | { |
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157 | #pragma omp flush |
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158 | if(op == MPI_SUM) |
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159 | { |
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160 | copy(buffer, buffer+min(BUFFER_SIZE, count-j), recv_buf+j); |
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161 | transform(buffer, buffer+min(BUFFER_SIZE, count-j), send_buf+j, buffer, std::plus<float>()); |
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162 | } |
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163 | else if(op == MPI_MAX) |
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164 | { |
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165 | copy(buffer, buffer+min(BUFFER_SIZE, count-j), recv_buf+j); |
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166 | transform(buffer, buffer+min(BUFFER_SIZE, count-j), send_buf+j, buffer, max_op<float>); |
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167 | } |
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168 | else if(op == MPI_MIN) |
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169 | { |
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170 | copy(buffer, buffer+min(BUFFER_SIZE, count-j), recv_buf+j); |
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171 | transform(buffer, buffer+min(BUFFER_SIZE, count-j), send_buf+j, buffer, min_op<float>); |
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172 | } |
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173 | else |
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174 | { |
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175 | printf("Supported operation: MPI_SUM, MPI_MAX, MPI_MIN\n"); |
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176 | exit(1); |
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177 | } |
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178 | #pragma omp flush |
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179 | } |
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180 | } |
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181 | |
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182 | MPI_Barrier_local(comm); |
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183 | } |
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184 | } |
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185 | } |
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186 | |
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187 | int MPI_Exscan_local_double(const void *sendbuf, void *recvbuf, int count, MPI_Op op, MPI_Comm comm) |
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188 | { |
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189 | |
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190 | int my_rank = comm.ep_comm_ptr->size_rank_info[1].first; |
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191 | int num_ep = comm.ep_comm_ptr->size_rank_info[1].second; |
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192 | |
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193 | double *buffer = comm.ep_comm_ptr->comm_list->my_buffer->buf_double; |
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194 | double *send_buf = static_cast<double*>(const_cast<void*>(sendbuf)); |
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195 | double *recv_buf = static_cast<double*>(recvbuf); |
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196 | |
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197 | for(int j=0; j<count; j+=BUFFER_SIZE) |
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198 | { |
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199 | if(my_rank == 0) |
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200 | { |
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201 | |
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202 | #pragma omp critical (write_to_buffer) |
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203 | { |
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204 | copy(send_buf+j, send_buf+j+min(BUFFER_SIZE, count-j), buffer); |
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205 | fill(recv_buf+j, recv_buf+j+min(BUFFER_SIZE, count-j), MPI_UNDEFINED); |
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206 | #pragma omp flush |
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207 | } |
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208 | } |
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209 | |
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210 | MPI_Barrier_local(comm); |
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211 | |
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212 | for(int k=1; k<num_ep; k++) |
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213 | { |
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214 | #pragma omp critical (write_to_buffer) |
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215 | { |
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216 | if(my_rank == k) |
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217 | { |
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218 | #pragma omp flush |
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219 | if(op == MPI_SUM) |
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220 | { |
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221 | copy(buffer, buffer+min(BUFFER_SIZE, count-j), recv_buf+j); |
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222 | transform(buffer, buffer+min(BUFFER_SIZE, count-j), send_buf+j, buffer, std::plus<double>()); |
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223 | } |
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224 | else if(op == MPI_MAX) |
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225 | { |
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226 | copy(buffer, buffer+min(BUFFER_SIZE, count-j), recv_buf+j); |
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227 | transform(buffer, buffer+min(BUFFER_SIZE, count-j), send_buf+j, buffer, max_op<double>); |
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228 | } |
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229 | else if(op == MPI_MIN) |
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230 | { |
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231 | copy(buffer, buffer+min(BUFFER_SIZE, count-j), recv_buf+j); |
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232 | transform(buffer, buffer+min(BUFFER_SIZE, count-j), send_buf+j, buffer, min_op<double>); |
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233 | } |
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234 | else |
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235 | { |
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236 | printf("Supported operation: MPI_SUM, MPI_MAX, MPI_MIN\n"); |
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237 | exit(1); |
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238 | } |
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239 | #pragma omp flush |
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240 | } |
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241 | } |
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242 | |
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243 | MPI_Barrier_local(comm); |
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244 | } |
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245 | } |
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246 | } |
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247 | |
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248 | int MPI_Exscan_local_long(const void *sendbuf, void *recvbuf, int count, MPI_Op op, MPI_Comm comm) |
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249 | { |
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250 | |
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251 | int my_rank = comm.ep_comm_ptr->size_rank_info[1].first; |
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252 | int num_ep = comm.ep_comm_ptr->size_rank_info[1].second; |
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253 | |
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254 | long *buffer = comm.ep_comm_ptr->comm_list->my_buffer->buf_long; |
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255 | long *send_buf = static_cast<long*>(const_cast<void*>(sendbuf)); |
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256 | long *recv_buf = static_cast<long*>(recvbuf); |
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257 | |
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258 | for(int j=0; j<count; j+=BUFFER_SIZE) |
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259 | { |
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260 | if(my_rank == 0) |
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261 | { |
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262 | |
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263 | #pragma omp critical (write_to_buffer) |
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264 | { |
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265 | copy(send_buf+j, send_buf+j+min(BUFFER_SIZE, count-j), buffer); |
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266 | fill(recv_buf+j, recv_buf+j+min(BUFFER_SIZE, count-j), MPI_UNDEFINED); |
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267 | #pragma omp flush |
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268 | } |
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269 | } |
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270 | |
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271 | MPI_Barrier_local(comm); |
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272 | |
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273 | for(int k=1; k<num_ep; k++) |
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274 | { |
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275 | #pragma omp critical (write_to_buffer) |
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276 | { |
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277 | if(my_rank == k) |
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278 | { |
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279 | #pragma omp flush |
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280 | if(op == MPI_SUM) |
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281 | { |
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282 | copy(buffer, buffer+min(BUFFER_SIZE, count-j), recv_buf+j); |
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283 | transform(buffer, buffer+min(BUFFER_SIZE, count-j), send_buf+j, buffer, std::plus<long>()); |
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284 | } |
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285 | else if(op == MPI_MAX) |
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286 | { |
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287 | copy(buffer, buffer+min(BUFFER_SIZE, count-j), recv_buf+j); |
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288 | transform(buffer, buffer+min(BUFFER_SIZE, count-j), send_buf+j, buffer, max_op<long>); |
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289 | } |
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290 | else if(op == MPI_MIN) |
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291 | { |
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292 | copy(buffer, buffer+min(BUFFER_SIZE, count-j), recv_buf+j); |
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293 | transform(buffer, buffer+min(BUFFER_SIZE, count-j), send_buf+j, buffer, min_op<long>); |
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294 | } |
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295 | else |
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296 | { |
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297 | printf("Supported operation: MPI_SUM, MPI_MAX, MPI_MIN\n"); |
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298 | exit(1); |
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299 | } |
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300 | #pragma omp flush |
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301 | } |
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302 | } |
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303 | |
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304 | MPI_Barrier_local(comm); |
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305 | } |
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306 | } |
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307 | } |
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308 | |
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309 | int MPI_Exscan_local_ulong(const void *sendbuf, void *recvbuf, int count, MPI_Op op, MPI_Comm comm) |
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310 | { |
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311 | |
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312 | int my_rank = comm.ep_comm_ptr->size_rank_info[1].first; |
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313 | int num_ep = comm.ep_comm_ptr->size_rank_info[1].second; |
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314 | |
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315 | unsigned long *buffer = comm.ep_comm_ptr->comm_list->my_buffer->buf_ulong; |
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316 | unsigned long *send_buf = static_cast<unsigned long*>(const_cast<void*>(sendbuf)); |
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317 | unsigned long *recv_buf = static_cast<unsigned long*>(recvbuf); |
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318 | |
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319 | for(int j=0; j<count; j+=BUFFER_SIZE) |
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320 | { |
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321 | if(my_rank == 0) |
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322 | { |
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323 | |
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324 | #pragma omp critical (write_to_buffer) |
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325 | { |
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326 | copy(send_buf+j, send_buf+j+min(BUFFER_SIZE, count-j), buffer); |
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327 | fill(recv_buf+j, recv_buf+j+min(BUFFER_SIZE, count-j), MPI_UNDEFINED); |
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328 | #pragma omp flush |
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329 | } |
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330 | } |
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331 | |
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332 | MPI_Barrier_local(comm); |
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333 | |
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334 | for(int k=1; k<num_ep; k++) |
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335 | { |
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336 | #pragma omp critical (write_to_buffer) |
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337 | { |
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338 | if(my_rank == k) |
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339 | { |
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340 | #pragma omp flush |
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341 | if(op == MPI_SUM) |
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342 | { |
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343 | copy(buffer, buffer+min(BUFFER_SIZE, count-j), recv_buf+j); |
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344 | transform(buffer, buffer+min(BUFFER_SIZE, count-j), send_buf+j, buffer, std::plus<unsigned long>()); |
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345 | } |
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346 | else if(op == MPI_MAX) |
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347 | { |
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348 | copy(buffer, buffer+min(BUFFER_SIZE, count-j), recv_buf+j); |
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349 | transform(buffer, buffer+min(BUFFER_SIZE, count-j), send_buf+j, buffer, max_op<unsigned long>); |
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350 | } |
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351 | else if(op == MPI_MIN) |
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352 | { |
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353 | copy(buffer, buffer+min(BUFFER_SIZE, count-j), recv_buf+j); |
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354 | transform(buffer, buffer+min(BUFFER_SIZE, count-j), send_buf+j, buffer, min_op<unsigned long>); |
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355 | } |
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356 | else |
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357 | { |
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358 | printf("Supported operation: MPI_SUM, MPI_MAX, MPI_MIN\n"); |
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359 | exit(1); |
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360 | } |
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361 | #pragma omp flush |
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362 | } |
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363 | } |
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364 | |
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365 | MPI_Barrier_local(comm); |
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366 | } |
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367 | } |
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368 | } |
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369 | |
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370 | int MPI_Exscan_local_char(const void *sendbuf, void *recvbuf, int count, MPI_Op op, MPI_Comm comm) |
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371 | { |
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372 | |
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373 | int my_rank = comm.ep_comm_ptr->size_rank_info[1].first; |
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374 | int num_ep = comm.ep_comm_ptr->size_rank_info[1].second; |
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375 | |
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376 | char *buffer = comm.ep_comm_ptr->comm_list->my_buffer->buf_char; |
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377 | char *send_buf = static_cast<char*>(const_cast<void*>(sendbuf)); |
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378 | char *recv_buf = static_cast<char*>(recvbuf); |
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379 | |
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380 | for(int j=0; j<count; j+=BUFFER_SIZE) |
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381 | { |
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382 | if(my_rank == 0) |
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383 | { |
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384 | |
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385 | #pragma omp critical (write_to_buffer) |
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386 | { |
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387 | copy(send_buf+j, send_buf+j+min(BUFFER_SIZE, count-j), buffer); |
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388 | fill(recv_buf+j, recv_buf+j+min(BUFFER_SIZE, count-j), MPI_UNDEFINED); |
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389 | #pragma omp flush |
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390 | } |
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391 | } |
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392 | |
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393 | MPI_Barrier_local(comm); |
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394 | |
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395 | for(int k=1; k<num_ep; k++) |
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396 | { |
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397 | #pragma omp critical (write_to_buffer) |
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398 | { |
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399 | if(my_rank == k) |
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400 | { |
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401 | #pragma omp flush |
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402 | if(op == MPI_SUM) |
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403 | { |
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404 | copy(buffer, buffer+min(BUFFER_SIZE, count-j), recv_buf+j); |
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405 | transform(buffer, buffer+min(BUFFER_SIZE, count-j), send_buf+j, buffer, std::plus<char>()); |
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406 | } |
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407 | else if(op == MPI_MAX) |
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408 | { |
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409 | copy(buffer, buffer+min(BUFFER_SIZE, count-j), recv_buf+j); |
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410 | transform(buffer, buffer+min(BUFFER_SIZE, count-j), send_buf+j, buffer, max_op<char>); |
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411 | } |
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412 | else if(op == MPI_MIN) |
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413 | { |
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414 | copy(buffer, buffer+min(BUFFER_SIZE, count-j), recv_buf+j); |
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415 | transform(buffer, buffer+min(BUFFER_SIZE, count-j), send_buf+j, buffer, min_op<char>); |
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416 | } |
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417 | else |
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418 | { |
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419 | printf("Supported operation: MPI_SUM, MPI_MAX, MPI_MIN\n"); |
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420 | exit(1); |
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421 | } |
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422 | #pragma omp flush |
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423 | } |
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424 | } |
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425 | |
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426 | MPI_Barrier_local(comm); |
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427 | } |
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428 | } |
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429 | } |
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430 | |
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431 | |
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432 | int MPI_Exscan(const void *sendbuf, void *recvbuf, int count, MPI_Datatype datatype, MPI_Op op, MPI_Comm comm) |
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433 | { |
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434 | |
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435 | if(!comm.is_ep) |
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436 | { |
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437 | ::MPI_Exscan(sendbuf, recvbuf, count, static_cast< ::MPI_Datatype>(datatype), |
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438 | static_cast< ::MPI_Op>(op), static_cast< ::MPI_Comm>(comm.mpi_comm)); |
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439 | return 0; |
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440 | } |
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441 | if(!comm.mpi_comm) return 0; |
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442 | |
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443 | int ep_rank, ep_rank_loc, mpi_rank; |
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444 | int ep_size, num_ep, mpi_size; |
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445 | |
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446 | ep_rank = comm.ep_comm_ptr->size_rank_info[0].first; |
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447 | ep_rank_loc = comm.ep_comm_ptr->size_rank_info[1].first; |
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448 | mpi_rank = comm.ep_comm_ptr->size_rank_info[2].first; |
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449 | ep_size = comm.ep_comm_ptr->size_rank_info[0].second; |
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450 | num_ep = comm.ep_comm_ptr->size_rank_info[1].second; |
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451 | mpi_size = comm.ep_comm_ptr->size_rank_info[2].second; |
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452 | |
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453 | |
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454 | |
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455 | ::MPI_Aint datasize, lb; |
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456 | |
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457 | ::MPI_Type_get_extent(static_cast< ::MPI_Datatype>(datatype), &lb, &datasize); |
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458 | |
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459 | void* local_scan_recvbuf; |
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460 | local_scan_recvbuf = new void*[datasize * count]; |
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461 | |
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462 | |
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463 | // local scan |
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464 | MPI_Exscan_local(sendbuf, recvbuf, count, datatype, op, comm); |
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465 | |
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466 | // MPI_scan |
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467 | void* local_sum; |
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468 | void* mpi_scan_recvbuf; |
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469 | |
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470 | |
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471 | mpi_scan_recvbuf = new void*[datasize*count]; |
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472 | |
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473 | if(ep_rank_loc == 0) |
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474 | { |
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475 | local_sum = new void*[datasize*count]; |
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476 | } |
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477 | |
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478 | |
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479 | MPI_Reduce_local(sendbuf, local_sum, count, datatype, op, comm); |
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480 | |
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481 | if(ep_rank_loc == 0) |
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482 | { |
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483 | #ifdef _serialized |
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484 | #pragma omp critical (_mpi_call) |
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485 | #endif // _serialized |
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486 | ::MPI_Exscan(local_sum, mpi_scan_recvbuf, count, static_cast< ::MPI_Datatype>(datatype), static_cast< ::MPI_Op>(op), static_cast< ::MPI_Comm>(comm.mpi_comm)); |
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487 | } |
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488 | |
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489 | |
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490 | if(mpi_rank > 0) |
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491 | { |
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492 | MPI_Bcast_local(mpi_scan_recvbuf, count, datatype, comm); |
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493 | } |
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494 | |
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495 | |
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496 | if(datatype == MPI_DOUBLE) |
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497 | { |
---|
498 | double* sum_buf = static_cast<double*>(mpi_scan_recvbuf); |
---|
499 | double* recv_buf = static_cast<double*>(recvbuf); |
---|
500 | |
---|
501 | if(mpi_rank != 0) |
---|
502 | { |
---|
503 | if(op == MPI_SUM) |
---|
504 | { |
---|
505 | if(ep_rank_loc == 0) |
---|
506 | { |
---|
507 | copy(sum_buf, sum_buf+count, recv_buf); |
---|
508 | } |
---|
509 | else |
---|
510 | { |
---|
511 | for(int i=0; i<count; i++) |
---|
512 | { |
---|
513 | recv_buf[i] += sum_buf[i]; |
---|
514 | } |
---|
515 | } |
---|
516 | } |
---|
517 | else if (op == MPI_MAX) |
---|
518 | { |
---|
519 | if(ep_rank_loc == 0) |
---|
520 | { |
---|
521 | copy(sum_buf, sum_buf+count, recv_buf); |
---|
522 | } |
---|
523 | else |
---|
524 | { |
---|
525 | for(int i=0; i<count; i++) |
---|
526 | { |
---|
527 | recv_buf[i] = max(recv_buf[i], sum_buf[i]); |
---|
528 | } |
---|
529 | } |
---|
530 | } |
---|
531 | else if(op == MPI_MIN) |
---|
532 | { |
---|
533 | if(ep_rank_loc == 0) |
---|
534 | { |
---|
535 | copy(sum_buf, sum_buf+count, recv_buf); |
---|
536 | } |
---|
537 | else |
---|
538 | { |
---|
539 | for(int i=0; i<count; i++) |
---|
540 | { |
---|
541 | recv_buf[i] = min(recv_buf[i], sum_buf[i]); |
---|
542 | } |
---|
543 | } |
---|
544 | } |
---|
545 | else |
---|
546 | { |
---|
547 | printf("Support operator for MPI_Scan is MPI_SUM, MPI_MAX, and MPI_MIN\n"); |
---|
548 | exit(1); |
---|
549 | } |
---|
550 | } |
---|
551 | |
---|
552 | delete[] static_cast<double*>(mpi_scan_recvbuf); |
---|
553 | if(ep_rank_loc == 0) |
---|
554 | { |
---|
555 | delete[] static_cast<double*>(local_sum); |
---|
556 | } |
---|
557 | } |
---|
558 | |
---|
559 | else if(datatype == MPI_FLOAT) |
---|
560 | { |
---|
561 | float* sum_buf = static_cast<float*>(mpi_scan_recvbuf); |
---|
562 | float* recv_buf = static_cast<float*>(recvbuf); |
---|
563 | |
---|
564 | if(mpi_rank != 0) |
---|
565 | { |
---|
566 | if(op == MPI_SUM) |
---|
567 | { |
---|
568 | if(ep_rank_loc == 0) |
---|
569 | { |
---|
570 | copy(sum_buf, sum_buf+count, recv_buf); |
---|
571 | } |
---|
572 | else |
---|
573 | { |
---|
574 | for(int i=0; i<count; i++) |
---|
575 | { |
---|
576 | recv_buf[i] += sum_buf[i]; |
---|
577 | } |
---|
578 | } |
---|
579 | } |
---|
580 | else if (op == MPI_MAX) |
---|
581 | { |
---|
582 | if(ep_rank_loc == 0) |
---|
583 | { |
---|
584 | copy(sum_buf, sum_buf+count, recv_buf); |
---|
585 | } |
---|
586 | else |
---|
587 | { |
---|
588 | for(int i=0; i<count; i++) |
---|
589 | { |
---|
590 | recv_buf[i] = max(recv_buf[i], sum_buf[i]); |
---|
591 | } |
---|
592 | } |
---|
593 | } |
---|
594 | else if(op == MPI_MIN) |
---|
595 | { |
---|
596 | if(ep_rank_loc == 0) |
---|
597 | { |
---|
598 | copy(sum_buf, sum_buf+count, recv_buf); |
---|
599 | } |
---|
600 | else |
---|
601 | { |
---|
602 | for(int i=0; i<count; i++) |
---|
603 | { |
---|
604 | recv_buf[i] = min(recv_buf[i], sum_buf[i]); |
---|
605 | } |
---|
606 | } |
---|
607 | } |
---|
608 | else |
---|
609 | { |
---|
610 | printf("Support operator for MPI_Scan is MPI_SUM, MPI_MAX, and MPI_MIN\n"); |
---|
611 | exit(1); |
---|
612 | } |
---|
613 | } |
---|
614 | |
---|
615 | delete[] static_cast<float*>(mpi_scan_recvbuf); |
---|
616 | if(ep_rank_loc == 0) |
---|
617 | { |
---|
618 | delete[] static_cast<float*>(local_sum); |
---|
619 | } |
---|
620 | } |
---|
621 | |
---|
622 | else if(datatype == MPI_INT) |
---|
623 | { |
---|
624 | int* sum_buf = static_cast<int*>(mpi_scan_recvbuf); |
---|
625 | int* recv_buf = static_cast<int*>(recvbuf); |
---|
626 | |
---|
627 | if(mpi_rank != 0) |
---|
628 | { |
---|
629 | if(op == MPI_SUM) |
---|
630 | { |
---|
631 | if(ep_rank_loc == 0) |
---|
632 | { |
---|
633 | copy(sum_buf, sum_buf+count, recv_buf); |
---|
634 | } |
---|
635 | else |
---|
636 | { |
---|
637 | for(int i=0; i<count; i++) |
---|
638 | { |
---|
639 | recv_buf[i] += sum_buf[i]; |
---|
640 | } |
---|
641 | } |
---|
642 | } |
---|
643 | else if (op == MPI_MAX) |
---|
644 | { |
---|
645 | if(ep_rank_loc == 0) |
---|
646 | { |
---|
647 | copy(sum_buf, sum_buf+count, recv_buf); |
---|
648 | } |
---|
649 | else |
---|
650 | { |
---|
651 | for(int i=0; i<count; i++) |
---|
652 | { |
---|
653 | recv_buf[i] = max(recv_buf[i], sum_buf[i]); |
---|
654 | } |
---|
655 | } |
---|
656 | } |
---|
657 | else if(op == MPI_MIN) |
---|
658 | { |
---|
659 | if(ep_rank_loc == 0) |
---|
660 | { |
---|
661 | copy(sum_buf, sum_buf+count, recv_buf); |
---|
662 | } |
---|
663 | else |
---|
664 | { |
---|
665 | for(int i=0; i<count; i++) |
---|
666 | { |
---|
667 | recv_buf[i] = min(recv_buf[i], sum_buf[i]); |
---|
668 | } |
---|
669 | } |
---|
670 | } |
---|
671 | else |
---|
672 | { |
---|
673 | printf("Support operator for MPI_Scan is MPI_SUM, MPI_MAX, and MPI_MIN\n"); |
---|
674 | exit(1); |
---|
675 | } |
---|
676 | } |
---|
677 | |
---|
678 | delete[] static_cast<int*>(mpi_scan_recvbuf); |
---|
679 | if(ep_rank_loc == 0) |
---|
680 | { |
---|
681 | delete[] static_cast<int*>(local_sum); |
---|
682 | } |
---|
683 | } |
---|
684 | |
---|
685 | else if(datatype == MPI_CHAR) |
---|
686 | { |
---|
687 | char* sum_buf = static_cast<char*>(mpi_scan_recvbuf); |
---|
688 | char* recv_buf = static_cast<char*>(recvbuf); |
---|
689 | |
---|
690 | if(mpi_rank != 0) |
---|
691 | { |
---|
692 | if(op == MPI_SUM) |
---|
693 | { |
---|
694 | if(ep_rank_loc == 0) |
---|
695 | { |
---|
696 | copy(sum_buf, sum_buf+count, recv_buf); |
---|
697 | } |
---|
698 | else |
---|
699 | { |
---|
700 | for(int i=0; i<count; i++) |
---|
701 | { |
---|
702 | recv_buf[i] += sum_buf[i]; |
---|
703 | } |
---|
704 | } |
---|
705 | } |
---|
706 | else if (op == MPI_MAX) |
---|
707 | { |
---|
708 | if(ep_rank_loc == 0) |
---|
709 | { |
---|
710 | copy(sum_buf, sum_buf+count, recv_buf); |
---|
711 | } |
---|
712 | else |
---|
713 | { |
---|
714 | for(int i=0; i<count; i++) |
---|
715 | { |
---|
716 | recv_buf[i] = max(recv_buf[i], sum_buf[i]); |
---|
717 | } |
---|
718 | } |
---|
719 | } |
---|
720 | else if(op == MPI_MIN) |
---|
721 | { |
---|
722 | if(ep_rank_loc == 0) |
---|
723 | { |
---|
724 | copy(sum_buf, sum_buf+count, recv_buf); |
---|
725 | } |
---|
726 | else |
---|
727 | { |
---|
728 | for(int i=0; i<count; i++) |
---|
729 | { |
---|
730 | recv_buf[i] = min(recv_buf[i], sum_buf[i]); |
---|
731 | } |
---|
732 | } |
---|
733 | } |
---|
734 | else |
---|
735 | { |
---|
736 | printf("Support operator for MPI_Scan is MPI_SUM, MPI_MAX, and MPI_MIN\n"); |
---|
737 | exit(1); |
---|
738 | } |
---|
739 | } |
---|
740 | |
---|
741 | delete[] static_cast<char*>(mpi_scan_recvbuf); |
---|
742 | if(ep_rank_loc == 0) |
---|
743 | { |
---|
744 | delete[] static_cast<char*>(local_sum); |
---|
745 | } |
---|
746 | } |
---|
747 | |
---|
748 | else if(datatype == MPI_LONG) |
---|
749 | { |
---|
750 | long* sum_buf = static_cast<long*>(mpi_scan_recvbuf); |
---|
751 | long* recv_buf = static_cast<long*>(recvbuf); |
---|
752 | |
---|
753 | if(mpi_rank != 0) |
---|
754 | { |
---|
755 | if(op == MPI_SUM) |
---|
756 | { |
---|
757 | if(ep_rank_loc == 0) |
---|
758 | { |
---|
759 | copy(sum_buf, sum_buf+count, recv_buf); |
---|
760 | } |
---|
761 | else |
---|
762 | { |
---|
763 | for(int i=0; i<count; i++) |
---|
764 | { |
---|
765 | recv_buf[i] += sum_buf[i]; |
---|
766 | } |
---|
767 | } |
---|
768 | } |
---|
769 | else if (op == MPI_MAX) |
---|
770 | { |
---|
771 | if(ep_rank_loc == 0) |
---|
772 | { |
---|
773 | copy(sum_buf, sum_buf+count, recv_buf); |
---|
774 | } |
---|
775 | else |
---|
776 | { |
---|
777 | for(int i=0; i<count; i++) |
---|
778 | { |
---|
779 | recv_buf[i] = max(recv_buf[i], sum_buf[i]); |
---|
780 | } |
---|
781 | } |
---|
782 | } |
---|
783 | else if(op == MPI_MIN) |
---|
784 | { |
---|
785 | if(ep_rank_loc == 0) |
---|
786 | { |
---|
787 | copy(sum_buf, sum_buf+count, recv_buf); |
---|
788 | } |
---|
789 | else |
---|
790 | { |
---|
791 | for(int i=0; i<count; i++) |
---|
792 | { |
---|
793 | recv_buf[i] = min(recv_buf[i], sum_buf[i]); |
---|
794 | } |
---|
795 | } |
---|
796 | } |
---|
797 | else |
---|
798 | { |
---|
799 | printf("Support operator for MPI_Scan is MPI_SUM, MPI_MAX, and MPI_MIN\n"); |
---|
800 | exit(1); |
---|
801 | } |
---|
802 | } |
---|
803 | |
---|
804 | delete[] static_cast<long*>(mpi_scan_recvbuf); |
---|
805 | if(ep_rank_loc == 0) |
---|
806 | { |
---|
807 | delete[] static_cast<long*>(local_sum); |
---|
808 | } |
---|
809 | } |
---|
810 | |
---|
811 | else if(datatype == MPI_UNSIGNED_LONG) |
---|
812 | { |
---|
813 | unsigned long* sum_buf = static_cast<unsigned long*>(mpi_scan_recvbuf); |
---|
814 | unsigned long* recv_buf = static_cast<unsigned long*>(recvbuf); |
---|
815 | |
---|
816 | if(mpi_rank != 0) |
---|
817 | { |
---|
818 | if(op == MPI_SUM) |
---|
819 | { |
---|
820 | if(ep_rank_loc == 0) |
---|
821 | { |
---|
822 | copy(sum_buf, sum_buf+count, recv_buf); |
---|
823 | } |
---|
824 | else |
---|
825 | { |
---|
826 | for(int i=0; i<count; i++) |
---|
827 | { |
---|
828 | recv_buf[i] += sum_buf[i]; |
---|
829 | } |
---|
830 | } |
---|
831 | } |
---|
832 | else if (op == MPI_MAX) |
---|
833 | { |
---|
834 | if(ep_rank_loc == 0) |
---|
835 | { |
---|
836 | copy(sum_buf, sum_buf+count, recv_buf); |
---|
837 | } |
---|
838 | else |
---|
839 | { |
---|
840 | for(int i=0; i<count; i++) |
---|
841 | { |
---|
842 | recv_buf[i] = max(recv_buf[i], sum_buf[i]); |
---|
843 | } |
---|
844 | } |
---|
845 | } |
---|
846 | else if(op == MPI_MIN) |
---|
847 | { |
---|
848 | if(ep_rank_loc == 0) |
---|
849 | { |
---|
850 | copy(sum_buf, sum_buf+count, recv_buf); |
---|
851 | } |
---|
852 | else |
---|
853 | { |
---|
854 | for(int i=0; i<count; i++) |
---|
855 | { |
---|
856 | recv_buf[i] = min(recv_buf[i], sum_buf[i]); |
---|
857 | } |
---|
858 | } |
---|
859 | } |
---|
860 | else |
---|
861 | { |
---|
862 | printf("Support operator for MPI_Scan is MPI_SUM, MPI_MAX, and MPI_MIN\n"); |
---|
863 | exit(1); |
---|
864 | } |
---|
865 | } |
---|
866 | |
---|
867 | delete[] static_cast<unsigned long*>(mpi_scan_recvbuf); |
---|
868 | if(ep_rank_loc == 0) |
---|
869 | { |
---|
870 | delete[] static_cast<unsigned long*>(local_sum); |
---|
871 | } |
---|
872 | } |
---|
873 | |
---|
874 | |
---|
875 | } |
---|
876 | |
---|
877 | |
---|
878 | |
---|
879 | } |
---|